Sandblast Stencil Etching, 1947

ID: 1540 ~ Source: Minnesota Historical Society

This file appears in: The 3M Story: The Evolution of 3M in Saint Paul

Sandblast stencils were a 3M product that simplified stone carving techniques.

This file appears in: The 3M Story: The Evolution of 3M in Saint Paul

The 3M Story: The Evolution of 3M in Saint Paul

By Marjorie Pearson, Summit Envirosolutions, Inc.

From One Product to Thousands 3M had its beginnings in 1902 at one small location in northern Minnesota. 3M's Saint Paul headquarters grew to become the heart of a major corporation between 1910 and…